False positive representation to authority

Deceptive appearances created for show
False front presentation
Potemkin village syndrome
Prince Potemkin in 1787, as governor of Crimea, organized Empress Catherine's tour of the newly-annexed province. He is alleged to have erected false-front villages peopled by actors along her route, to impress her concerning the living standards of the population and their contentment under his rule.
(F) Fuzzy exceptional problems